Research Assistant, Department of Biology, Hokkaido University of Education at Kushiro, 1975-1976.

Lecturer, Department of Biology, Hokkaido University of Education at Kushiro, 1976-1978.

Associate Professor, Department of Biology, Hokkaido University of Education at Kushiro, 1978-1986.

Professor, Department of Biology, Hokkaido University of Education at Kushiro, 1978-present.

PROFESSIONAL SOCIETIES:

Botanical Society of Japan, Ecological Society of Japan, Japanese Society of Phycology.

FIELD EXPERIENCE:

Numerous field expeditions since 1972 in northern Japan, including ten field seasons (1984-1993) in Kushiro Marsh studying the ecology and conservation of wetland ecosystems; and four months (June-September 1992) at Shiretoko
, Japan, studying forest restoration. Botanical work in the Russian Far East includes three trips to Sakhalin (May-June 1991, September 1991, July 1992).

PUBLICATIONS:

Since 1973, 78 scientific publications on the taxonomy, distribution, and conservation of plants.